Home / 199,415.20-275,199.12-114,549.28

Finding the Fourth Proportional to 199,415.20, 275,199.12 and 114,549.28

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Solution

The fourth proportional to 199,415.20, 275,199.12 and 114,549.28 is: 158,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,415.20 : 275,199.12 = 114,549.28 : x
  2. Step 2: Convert to fraction form
    199,415.20/275,199.12 = 114,549.28/x
  3. Step 3: Cross multiply
    199,415.20x = 275,199.12 × 114,549.28
  4. Step 4: Simplify right side
    199,415.20x = 31,523,861,052.63
  5. Step 5: Solve for x
    x = 31,523,861,052.63/199,415.20
  6. Step 6: Final answer
    x = 158,081.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.